- Dr F X Glocker, Department of Neurology, University of Freiburg, Breisacher Straße 64, D-79106 Freiburg, Germany. Telephone 0049 761 270 5313; fax 0049 761 270 5313.
- Received January 13, 1998
- Revised April 20, 1998
- Accepted April 20, 1998
- First published December 1, 1998.
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